CN219156003U

CN219156003U - Foil winding device and foil winding machine

Info

Publication number: CN219156003U
Application number: CN202223124713.8U
Authority: CN
Inventors: 贾彦芳; 杨明安; 周峰
Original assignee: Shandong Chuangxin Electrical Equipment Co ltd
Current assignee: Shandong Chuangxin Electrical Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-09
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a foil winding device and a foil winding machine, wherein the foil winding device comprises a winding roller bracket, a winding roller arranged on the winding roller bracket and a pressing mechanism, the pressing mechanism comprises a pressing roller tangential to the outer circular surface of the winding roller, a telescopic piece connected to the pressing roller and a pressing mechanism fixing seat, the telescopic piece pushes the pressing roller to contact with the winding roller to generate pressure on a foil, two ends of the pressing roller are respectively connected to the telescopic piece through bearing seats, and the telescopic piece is fixed to the pressing mechanism fixing seat. According to the utility model, the pressing mechanism is used for applying pressure to the foil on the winding roller so as to avoid the problem of relaxation during foil winding, and the driving mechanism is used for driving the pressing roller to rotate so as to generate a pressing force and a friction force on the foil, so that the stretching influence of the pulling force on the foil can be avoided.

Description

Foil winding device and foil winding machine

Technical Field

The utility model relates to the technical field of transformer production equipment, in particular to a foil winding device and a foil winding machine.

Background

During winding of the transformer coil, the foil is required to be separated from the unreeling roller and fed, and then the foil finally reaches the winding device through the deviation correcting device. The disclosure patent document "a foil adjustable tensioning device of a transformer foil winding machine" (application number: CN 202020226615.7) provides a solution for adjusting tightness by adopting a rotating double-headed cam, and the solution is implemented by applying a tensile force to a foil to maintain a tensioned state, although the problem of relaxation can be solved, the foil is also subjected to the tensile force applied by the device, and long-distance feeding easily causes stretching of the foil.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a foil winding device and a foil winding machine, and the problem of relaxation of foil at a winding roller is avoided by applying pressure to the foil. The technical scheme of the utility model is as follows:

as one aspect of the utility model, there is provided a foil winding device, comprising a winding roller support, a winding roller arranged on the winding roller support, and a pressing mechanism, wherein the pressing mechanism comprises a pressing roller tangential to the outer circular surface of the winding roller, a telescopic member connected to the pressing roller, and a pressing mechanism fixing seat, the telescopic member pushes the pressing roller to contact with the winding roller to generate pressure on the foil, two ends of the pressing roller are respectively connected to the telescopic member through bearing seats, and the telescopic member is fixed to the pressing mechanism fixing seat.

Preferably, the bearing seat is fixedly connected to the supporting rod, the end part of the supporting rod is provided with a roller, and the telescopic rod slides on the surface of the fixing seat of the pressing mechanism under the action of driving force provided by the telescopic piece.

Further, the supporting rod and the telescopic piece are mutually perpendicular, and the telescopic piece is horizontally arranged.

Preferably, the telescopic member is selected from a hydraulic cylinder, an air cylinder or an electric push rod.

Preferably, the foil winding device is further provided with a driving mechanism, the driving mechanism comprises a driving motor arranged on the supporting rod, a driving wheel, a driven wheel and a driving belt, the driving motor drives the driving wheel, the driven wheel is driven by the driving belt to rotate along the same direction as the winding roller together with the pressing roller, so that the pressing roller and the foil at the contact position of the pressing roller and the winding roller are opposite in moving direction, upward friction force and pressure are generated on the foil, the problem of relaxation caused by sagging of the foil is avoided, and the pressing roller only provides compaction and friction action on the foil, so that traction force can not be generated on the foil, and the problem that the foil is stretched is avoided.

As the scheme in one embodiment, set up driving motor and action wheel in bracing piece subtend both sides, set up left and right direction horizontal through-hole on having set up driving motor the bracing piece, set up the bearing in the through-hole, driving motor's output shaft passes behind the bearing and is connected to the action wheel, from driving wheel and the center pin of pressing roller pass through spline fixed connection to realize driving motor drive pressing roller rotation.

As another alternative, the driving motor and the driving wheel are arranged at two adjacent sides.

Preferably, in order to reduce the friction force of the pressing rollers on the foil, the pressing mechanism comprises a plurality of circumferentially arranged pressing rollers, each pressing roller is fixedly connected to a connecting disc located at the center through a connecting rod, a center rod is arranged between the connecting discs at two ends, the connecting discs are fixedly connected with the center rod, two ends of the center rod are respectively provided with a bearing seat connected to the telescopic piece, and one end of the center rod is provided with a driving mechanism.

Specifically, the connecting rod is connected with the central shaft of the pressing roller through the bearing seat, the pressing roller can freely rotate, pressure is generated on the foil when the pressing roller rotates to the winding roller in turn, and the pressing roller freely rotates when the pressing roller contacts with the foil, so that friction influence on the foil is avoided.

Further, a controller can be further arranged and is respectively connected with the driving motor and the telescopic piece in a signal manner, and the starting and stopping of the driving motor and the telescopic action of the telescopic piece are controlled.

As another aspect of the present utility model, there is provided a foil winding machine, comprising, in order, a foil frame for providing a foil, a feeding device, a deviation correcting device, the aforementioned foil winding device, and a shearing device.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme provided by the embodiment of the utility model, the pressing mechanism is used for applying pressure to the foil on the winding roller to avoid the problem of relaxation when the foil is wound, and in the scheme provided by the embodiment of the utility model, the driving mechanism is used for driving the pressing roller to rotate to generate the pressing force and the friction force to the foil, so that the stretching influence of the pulling force on the foil can be avoided;

2, in another scheme of this embodiment, utilize actuating mechanism drive a plurality of pressure roller rotatory, provide the clamp force to the foil in proper order to solve lax problem, simultaneously, each pressure roller is the free state, can not produce too big frictional force to the foil, and control accuracy requires lowly, and the reliability is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

Fig. 1 is a schematic structural diagram of a foil winding device provided in embodiment 1 of the present utility model;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

fig. 3 is a schematic structural diagram of a foil winding device provided in embodiment 2 of the present utility model;

fig. 4 is an enlarged view of a part of the structure of fig. 3.

Wherein, 1-rolling roller, 2-rolling roller bracket, 3-pressurizing mechanism and 4-driving mechanism;

301-a pressurizing roller, 302-a bearing seat, 303-a hydraulic cylinder, 304-a pressurizing mechanism fixing seat, 305-a roller, 306-a supporting rod, 307-a connecting rod, 308-a connecting disc and 309-a center rod;

401-driving motor, 402-driving wheel, 403-driven wheel and 404-driving belt.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Embodiment 1, foil winding device

As shown in fig. 1 and 2, the winding device comprises a winding roller bracket 2 and a winding roller 1 arranged on the winding roller bracket 2; the device comprises a winding drum 2, a pressing mechanism 3, a pressing mechanism and a pressing mechanism, wherein the pressing mechanism 3 comprises a pressing roller 301 tangential to the outer circular surface of the winding drum 2, two ends of the pressing roller 301 are respectively connected to a hydraulic cylinder 303 through bearing blocks 302, and the other side surface of each bearing block 302 is fixedly connected to a supporting rod 306; the pressing mechanism fixing seat 304 is further included, a cylinder barrel of the hydraulic cylinder 303 is fixed to the pressing mechanism fixing seat 304, in one embodiment, the supporting rod 306 is vertically arranged, the roller 305 is arranged at the bottom, the roller can slide on the surface of the pressing mechanism fixing seat 304, specifically, the hydraulic cylinder 303 stretches out and draws back, and the bearing seat 302 is pushed to drive the pressing roller 301 to horizontally reciprocate along with the supporting rod 306.

As an exemplary embodiment, the support rod 306 and the hydraulic cylinder 303 are perpendicular to each other.

As shown in fig. 2, the foil winding device is further provided with a driving mechanism 4, the driving mechanism 4 includes a driving motor 401, a driving wheel 402, a driven wheel 403 and a driving belt 404, the driving belt 404 connects the driving wheel and the driven wheel, the driving motor 401 is fixed to a piece of supporting rod 306, the driving motor 401 drives the driving wheel 402, and drives the driven wheel 403 together with the pressing roller 301 to rotate in the same direction as the winding roller 1 through the driving belt 404, so that the pressing roller 301 and the winding roller contact position are opposite to each other in the moving direction of the foil, and upward friction force and pressure are generated on the foil, so that the problem of loosening caused by sagging of the foil is avoided, and as the pressing roller 301 only provides compacting and friction effects on the foil, traction force cannot be generated on the foil, and the problem that the foil is stretched is avoided.

In order to reasonably set the driving motor and the transmission structure, the driving motor and the driving wheel are arranged on two opposite sides of the supporting rod, specifically, as shown in fig. 2, a transverse through hole in the left and right directions is arranged on the supporting rod 306 provided with the driving motor, a bearing is arranged in the through hole, an output shaft of the driving motor 401 passes through the bearing and then is connected to the driving wheel 402, and the driven wheel 403 is fixedly connected with the central shaft of the pressing roller 301 through a spline, so that the driving motor drives the pressing roller to rotate. When in use, the pressurizing roller 301 rotates at the speed of 2-3 times of the winding roller 1, and generates reverse acting force on the foil. And the distance between the pressurizing roller 301 and the winding roller is adjusted by controlling the hydraulic cylinder 303 along with the thickness of the foil winding.

Further, a controller may be further provided, and the controller is respectively connected with the driving motor 401 and the hydraulic cylinder 303 in a signal manner, so as to control the start and stop of the driving motor 401 and the telescopic action of the hydraulic cylinder 303.

Embodiment 2, foil winding device

Because the structure provided in embodiment 1 has a certain friction force on the foil, the requirement on the matching control difficulty of the rotation speed of the pressing roller and the speed of the winding roller is high, as a further improvement, the structure of the pressing mechanism is modified, as shown in fig. 3 and 4, the structure of the pressing mechanism comprises a plurality of circumferentially arranged pressing rollers 301, each pressing roller 301 is fixedly connected to a connecting disc 308 positioned at the center through a connecting rod 307, a center rod 309 is arranged between the two connecting discs 308, the connecting discs 308 are fixedly connected with the center rod 309 through splines, two ends of the center rod 309 are respectively provided with a bearing seat 302 connected to a hydraulic cylinder 303, one end of the center rod 309 is provided with a driving mechanism 4, in order to avoid interference between the driving motor and the pressing roller in embodiment 1, in this embodiment, the driving motor 401 is arranged on the side wall in front of or behind the supporting rod 306, and is fixed to the supporting rod 306 through a bracket, in fig. 3, the driving motor 401 points to the position of the driving motor 401, and the driving motor 401 and the driving wheel 402 are arranged on two adjacent sides of the supporting rod. The driving motor 401 drives the driving wheel 402 to rotate the driven wheel 403 fixed to the center rod 309 through the transmission belt 404, thereby driving the connection disc 308 to rotate. Specifically, the connecting rod 307 is connected with the central shaft of the pressing roller 301 through a bearing seat, the pressing roller 301 can freely rotate, only generates pressure on the foil when rotating to the winding roller 1 in turn, and then freely rotates when contacting with the foil, thereby avoiding friction influence on the foil. The number of the pressing rollers 301 is not limited.

Example 3: foil winding machine

The foil winding device comprises a foil material rack for providing foil materials, a feeding device, a deviation correcting device, the foil material winding device provided in embodiment 1 or embodiment 2 and a shearing device.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The foil winding device is characterized by comprising a winding roller bracket, a winding roller arranged on the winding roller bracket and a pressing mechanism, wherein the pressing mechanism comprises a pressing roller tangential to the outer circular surface of the winding roller, a telescopic piece connected to the pressing roller and a pressing mechanism fixing seat, the telescopic piece pushes the pressing roller to contact with the winding roller to generate pressure on the foil, two ends of the pressing roller are respectively connected to the telescopic piece through bearing seats, and the telescopic piece is fixed to the pressing mechanism fixing seat;

the foil winding machine further comprises a driving mechanism, the driving mechanism comprises a driving motor arranged on the supporting rod, a driving wheel, a driven wheel and a transmission belt, the driving motor drives the driving wheel, the driven wheel and the pressing roller to rotate in the same direction with the winding roller through the transmission belt, and the pressing roller and the foil moving direction at the contact position of the pressing roller and the winding roller are opposite.

2. The foil winding device of claim 1, wherein the bearing block is fixedly connected to a support rod, a roller is arranged at the end of the support rod, and the telescopic rod slides on the surface of the fixing seat of the pressing mechanism under the action of driving force provided by the telescopic piece.

3. The foil winder of claim 2, wherein the support bar and the telescoping member are perpendicular to each other and the telescoping member is horizontally disposed.

4. Foil winder according to claim 2, wherein the telescopic member is selected from a hydraulic cylinder, a pneumatic cylinder or an electric push rod.

5. The foil winding device according to claim 4, wherein the driving motor and the driving wheel are disposed on opposite sides of the supporting rod, a through hole is disposed on the supporting rod, which is provided with the driving motor, in the left and right directions, a bearing is disposed in the through hole, an output shaft of the driving motor passes through the bearing and is connected to the driving wheel, and the driven wheel is fixedly connected with a central shaft of the pressing roller.

6. The foil winding device of claim 4, wherein the drive motor and the capstan are disposed on adjacent sides.

7. The foil winding device according to claim 6, wherein the pressing mechanism comprises a plurality of pressing rollers which are circumferentially arranged, each pressing roller is fixedly connected to a connecting disc positioned at the center through a connecting rod, a center rod is arranged between the connecting discs at two ends, the connecting discs are fixedly connected with the center rod, two ends of the center rod are respectively provided with a bearing seat connected to the telescopic piece, and one end of the center rod is provided with a driving mechanism.

8. The foil winding device of claim 7, wherein the connecting rod is coupled to a central shaft of the pressure roller via a bearing mount.

9. Foil winder as claimed in any of the claims 5-8, further comprising a controller in signal connection with the drive motor and the telescopic member, respectively, for controlling the start and stop of the drive motor and the telescopic action of the telescopic member.

10. A foil winding machine, which is characterized by sequentially comprising a foil material rack for providing foil materials, a feeding device, a deviation correcting device, the foil material winding device of any one of claims 5-8 and a shearing device.